By M. L. Martínez, Norbert P. Psuty

During this booklet, coastal dune experts from tropical and temperate latitudes hide a large set of themes, together with: geomorphology, group dynamics, ecophysiology, biotic interactions and environmental difficulties and conservation. The booklet deals strategies for destiny learn, selecting appropriate issues the place particular wisdom remains to be missing. It additionally identifies administration instruments that may advertise and hold the wealthy variety of the dune environments within the context of constant coastal improvement.

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Additional info for Coastal Dunes: Ecology and Conservation (Ecological Studies)

Example text

The situation is much simpler t o determine the requirements of those parasites which are obligate aerobes. Even in this case, however, relatively few parasitic helminths have been proven t o be aerobic in the a d u l t stage, although evidence has been presented t h a t a number of nematode larvae (6) ( 7) ( 8) are aerobic, such as the E u s t r o n g y l e , A s c a r i s and T r i c h i n e l l a larvae. ( 9) The findings of B u e d i n g have established t h a t the a d u l t filarial w o r m , Litomosoides carinii is highly dependent upon oxygen f o r m o t i l i t y and 34 C O M P A R A T I V E B I O C H E M I S T R Y OF P A R A S I T E S survival.

Unlike antimonials, and like p-rosaniline, the antischistosomal drug niridazole has relatively slow onset of a c t i o n ; a hepatic shift of the w o r m s is observed o n l y 2 t o 3 days after a chemotherapeutically effective dosage schedule of niridazole has been i n i t i a t e d . If biochemical 27 ERNEST BUEDING changes in the w o r m s brought about by niridazole are t o be related t o the mode of action of this drug, t h e y should precede the f u n c t i o n a l damage reflected in the loss of a t t a c h m e n t o f the w o r m s t o t h e mesenteric veins of the host.

I n : Oppenheimer, C. ): Handbuch der Biochemie des Menschen und der Tiere 4, Part 2: 446 - 528. W E I N L A N D , E. 1913. Uber einige Aufgaben und Fragen der vergleichenden Physiologie. Sitzungsber. -Med. Sozietät Erlangen 45, 137 - 153. W E I N L A N D , E. 1925. Uber den Gehalt an einigen Stoffen beim Igel im Winterschlaf. Biochem. Z. 160, 66 - 74. W E I N L A N D , E. and von B R A N D , T. 1926. Beobachtungen an Fasciola 22 hepatica C O M P A R A T I V E B I O C H E M I S T R Y OF P A R A S I T E S (Stoffwechsel und Lebensweise).

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